Bioton's Key Subsidiary Jingcheng Materials Announces Completion of Capital Reduction Registration

1. Date of regulatory approval for capital reduction: 115/06/12 2. Date of completion of capital change registration: 115/06/12 3. Impact on financial statements (including differences in paid-in capital and outstanding shares, and impact on net asset value per share): (1) Paid-in capital before reduction: NT$780,000,000 (2) Amount of capital reduction: NT$290,000,000 (3) Paid-in capital after reduction: NT$590,000,000 (4) Difference in outstanding shares and impact on net asset value per share: Not applicable 4. Planned share exchange program: Not applicable 5. Number of listed common shares after capital reduction: Not applicable 6. Ratio of listed common shares to total issued common shares after reduction (listed common shares after reduction / total issued common shares after reduction): Not applicable 7. Measures to address low share liquidity if the number of listed common shares after reduction is less than 60 million shares or 25%: Not applicable 8. Other matters to be disclosed: In accordance with the board resolution dated 115/05/08, the company simultaneously carried out capital reduction and capital increase. The company received notification of completion on 115/06/16.